Calcium Dodecylbenzene Sulfonate from Japan
Calcium salt form used as corrosion inhibitor in lubricants and overbased detergents. Still classifies as anionic surfactant under 3402.31.10.00 despite end-use. Meets surface activity tests.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify TBN (total base number) if overbased variety
• Separate from petroleum sulfonates via origin certificates